SDI Engineering Inc.

Hayre McElroy & Associates is a leading provider of testing inspection, construction management, code compliance, and geotechnical engineering services. With a diverse client base in both the public and private sectors, they offer practical and innovative solutions to a wide range of projects, from small-scale developments to multi-billion dollar transit projects. With a team of licensed engineers and certified inspectors, Hayre McElroy & Associates operates a fully accredited, full-service lab capable of testing various materials. Their philosophy is to provide the best service possible at a fair cost, ensuring that their time onsite is dedicated to serving the interests of their clients.Generated from the website

Golder Associates Inc, based in Redmond, WA, is a consulting firm specializing in environmental and engineering services. With a focus on sustainability and innovation, the company provides expertise in areas such as site assessment, remediation, and infrastructure development. Generated from their business information

Tetra Tech is one of the leading providers of specialized management consulting and technical services. The company focuses on the areas of resource management, infrastructure, and communications. Tetra Tech was founded to provide engineering services related to waterways, harbors and coastal areas. The company has since increased the size and scope of its business and expanded its service offerings through a series of strategic acquisitions and internal growth. Tetra Tech provides environmental services, water and wastewater management, infrastructure services, security design and outsourced technical services.